Global gridding:

• The Second International Conference on DGGs
• Terra Cognita Lab. DGG research at Oregon State University.
• Spatial Effects. The home of Geoff Dutton's octahedron-based QTM DGG.
• BUGS. Atmospheric General Circulation Model based on an aperture 4 hexagonal DGGS on the icosahedron.
• HEALPix Aperture 4 diamond DGGS on the octahedron.
• The First International Conference on DGGs and an associated on-line book.
• US EPA grid generating software page by Denis White. Includes software for generating the original EMAP grid.
• Geodyssey Limited The home of Hipparchus, a commercial GIS that allows arbitrary DGG construction.
• SphereKit Toolkit for spatial interpolation on the sphere.
• NESDIS National Geophysical Data Center Source of the ETOPO5 digital elevation model used for some illustrations on our site.

Planar hexagonal grids:

• NASA Ames Vision Group Using hexagons to model the visual cortex.
• Hex Grids - paper by Clark Verbrugge
• A Coordinate System for Hexagonal Grids - paper by Wesley Snyder, Hairong Qi, and William Sander
• Local Structure Theory: Calculation on hexagonal arrays - paper by Howard A. Gutowitz and Jonathan D. Victor
• Amit Patel's hex grid game programming links

Hexagonal cellular automata (CA):

• George Maydwell's CA Page
• Hexatron CA
• Hexagonal Engineering
• MCell CA program by Mirek Wojtowicz.
• Rule for a hexagonal version of Life by Paul Callahan.
• Snowflakes and spirals on the hexagonal lattice
• Universality of reversible hexagonal CA paper by Morita, Margenstern, and Imai.
• Tim Tyler's CA page (has lots of good links).
• A version of Stephen Wolfam's Snowflake CA

General polyhedral geometry sites:

• Karl-Dietrich Neubert's page on spherical platonic solids.
• The Geometry Center at the University of Minnesota
• George Hart's Pavilion of Polyhedreality
• Euclid's Construction of the Platonic Solids
• The Geometry Junkyard Lots of links to geometry sites.

Sites on the work of R. Buckminster "Bucky" Fuller:

• Richard Buckminster Fuller - Bucky Collection.
• Robert Gray's Notes on the work of Bucky Fuller.
• Richard Hawkins' archive of synergetic animations.
• Buckminster Fuller Institute
• Applied Synergetics